A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts for steam turbines
NSN 6150-00-265-7799
NSN 5920-01-572-4803
NSN 6130-01-157-7014
NSN 5935-01-521-3673
NSN 5925-00-156-4044
NSN 5920-01-504-2119
NSN 6240-00-889-8442
NSN 7035-00-981-7216
NSN 4140-01-539-0248
NSN 5950-01-458-2940
NSN 2925-00-293-4231
NSN 6130-01-380-5339